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The Single UNIX &reg; Specification, Version 2<br>
Copyright &copy; 1997 The Open Group

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<h4><a name = "tag_000_008_180">&nbsp;</a>NAME</h4><blockquote>
sched_get_priority_max, sched_get_priority_min - get priority limits
(<b>REALTIME</b>)
</blockquote><h4><a name = "tag_000_008_181">&nbsp;</a>SYNOPSIS</h4><blockquote>
<pre><code>

#include &lt;<a href="sched.h.html">sched.h</a>&gt;

int sched_get_priority_max(int <i>policy</i>);
int sched_get_priority_min(int <i>policy</i>);
</code>
</pre>
</blockquote><h4><a name = "tag_000_008_182">&nbsp;</a>DESCRIPTION</h4><blockquote>
The
<i>sched_get_priority_max()</i>
and
<i>sched_get_priority_min()</i>
functions return the appropriate maximum or minimum, respectfully, for the
scheduling policy specified by
<i>policy</i>.
<p>
The value of
<i>policy</i>
is one of the scheduling policy values defined in
<i><a href="sched.h.html">&lt;sched.h&gt;</a></i>.
</blockquote><h4><a name = "tag_000_008_183">&nbsp;</a>RETURN VALUE</h4><blockquote>
If successful, the
<i>sched_get_priority_max()</i>
and
<i>sched_get_priority_min()</i>
functions return the appropriate maximum or minimum values, respectively.
If unsuccessful, they return a value of -1 and set
<i>errno</i>
to indicate the error.
</blockquote><h4><a name = "tag_000_008_184">&nbsp;</a>ERRORS</h4><blockquote>
The 
<i>sched_get_priority_max()</i>
and
<i>sched_get_priority_min()</i>
functions will fail if:
<dl compact>

<dt>[EINVAL]<dd>
The value of the <i>policy</i> parameter does not represent a defined
scheduling policy.

<dt>[ENOSYS]<dd>
The
<i>sched_get_priority_max()</i>,
<i>sched_get_priority_min()</i>
and
<i><a href="sched_rr_get_interval.html">sched_rr_get_interval()</a></i>
functions are not supported by this implementation.

</dl>
</blockquote><h4><a name = "tag_000_008_185">&nbsp;</a>EXAMPLES</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_008_186">&nbsp;</a>APPLICATION USAGE</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_008_187">&nbsp;</a>FUTURE DIRECTIONS</h4><blockquote>
None.
</blockquote><h4><a name = "tag_000_008_188">&nbsp;</a>SEE ALSO</h4><blockquote>
<i><a href="sched_getparam.html">sched_getparam()</a></i>,
<i><a href="sched_setparam.html">sched_setparam()</a></i>,
<i><a href="sched_getscheduler.html">sched_getscheduler()</a></i>,
<i><a href="sched_rr_get_interval.html">sched_rr_get_interval()</a></i>,
<i><a href="sched_setscheduler.html">sched_setscheduler()</a></i>,
<i><a href="sched.h.html">&lt;sched.h&gt;</a></i>.
</blockquote><h4>DERIVATION</h4><blockquote>
Derived from the POSIX Realtime Extension (1003.1b-1993/1003.1i-1995)
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UNIX &reg; is a registered Trademark of The Open Group.<br>
Copyright &copy; 1997 The Open Group
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